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-------------- Original message from Alexandre Eremenko <eremenko@MATH.PURDUE.EDU>: --------------


> I don't know what M stands for.
> Maybe I would guess if I could see its official
> manual in Russian.
> It was non-trivial to guess from my manual
> what T stands for, and I am not 100% sure but only 98.5%
> sure:-)
>
> (A wild guess based on my knowledge of Soviet abbreviations
> would be that M could stand for "modified". This would
> be a very typical Soviet usage.
> They had SN first, then added illumination and called
> it SNO, then added something else and called SNO-M.
> But this is only a guess. I have seen an SN sextant but
> never an SNO sextant. There was also an SP sextant,
> and an SN-U sextant which look undistinguisheable from
> SNO-M:-)
> > But the difference between SNO-T and SNO-M
> is large. SNO-M looks like a 1940-s model of C. Plath,
> while SNO-T looks like a Freiberger.
>
> Maybe all this was done intentionally "to confuse the enemy"
> :-)
>
>
>
> On Thu, 11 Nov 2004, Courtney Thomas wrote:
>
> > What's the difference between SNO-T and SNO-M ?
>
> > If the T stands for Tropical, what does the M stand for, Marine ?